20. How can you create a border with rounded corners for an element in CSS?

How can you ensure that an element's width and height include padding and border, but not margin?

A). box-sizing: border-box;

B). box-sizing: padding-box;

C). box-sizing: content-box;

D). box-sizing: margin-box;

Which CSS property is used to specify the padding of an element?

A). padding

B). margin

C). border

D). spacing

What happens to an element's total size when margin is added?

A). Increases the space around the element without changing its size

B). Decreases the element's total size

C). Expands the content area without affecting its size

D). Increases the element's total size

Which property can be used to hide an element without affecting the layout of the page?

A). display: none;

B). visibility: hidden;

C). opacity: 0;

D). position: absolute; left: -9999px;

In the CSS box model, which component surrounds the content and padding?

A). Border

B). Padding

C). Margin

D). Spacing

What is the purpose of padding in the CSS box model?

A). To create space between the content and the border

B). To create space outside the border

C). To style the border of an element

D). To create space between elements

Which property can be used to center an element horizontally on a webpage?

A). margin: 0 auto;

B). padding: 0 auto;

C). align-items: center;

D). text-align: center;

What is the function of the border in the CSS box model?

A). To create a visible boundary around the content and padding

B). To create space between elements

C). To create space outside the border

D). To style the content area

Which component of the CSS box model refers to the actual content of an element?

A). Content

B). Padding

C). Border

D). Margin

Which property can be used to set the width and height of an element, including its content, padding, and border?

A). width, height

B). size

C). dimensions

D). scale